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An original 1895 page from Maîtres de l'Affiche. Maîtres de l'Affiche (Masters of the Poster) was a publication created during the Belle Époque in Paris, France that reproduced original works of ninety-seven artists in a smaller book size format... Théâtrophone ("the theatre phone") was a telephonic distribution system available in portions of Europe that allowed the subscribers to listen to opera and theatre performances over the telephone lines. The théâtrophone evolved from a Clément Ader invention, which was first demonstrated in 1881, in Paris. Subsequently, in 1890, the invention was commercialized by Compagnie du Théâtrophone, which continued to operate until 1932. (Wikipedia)